R
How to Use createDataPartition() Function in R
You can use the createDataPartition() function from the caret package in R to partition a data frame into training and testing sets for model...
R
How to Calculate Lagged Values in R (With Examples)
You can use the lag() function from the dplyr package in R to calculated lagged values.
This function uses the following basic syntax:
lag(x, n=1, …)
where:
x:...
R
How to Drop Columns by Name in R (With Examples)
There are three common ways to drop columns from a data frame in R by name:
Method 1: Use Base R
#drop col2 and col4 from...
R
How to Convert Numeric to Factor in R (With Examples)
There are two methods you can use to convert a numeric variable to a factor variable in R:
Method 1: Use as.factor()
df$factor_variable factor(df$numeric_variable)
This will convert...
R
How to Count Duplicates in R (With Examples)
You can use the following methods to count duplicates in a data frame in R:
Method 1: Count Duplicate Values in One Column
sum(duplicated(df$my_column))
Method 2: Count...
R
How to Filter a data.table in R (With Examples)
You can use the following methods to filter the rows of a data.table in R:
Method 1: Filter for Rows Based on One Condition
dt
Method 2:...
R
How to Add New Column to Matrix in R (With Examples)
You can use the following methods to add a new column to a matrix in R:
Method 1: Add New Column to End of Matrix
my_matrix...
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